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jewelry chain store Natural Aquamarine of Beryl Series

Публикувано на от Кингджи

The color of aquamarine is as blue as sea water, and its color agent is iron. Among the various colors of aquamarine, the most popular are the dark blue and sky blue gems.

Aquamarine is a symbol of happiness and longevity. През Средновековието, people had the foresight for those who wore aquamarine; others believed that aquamarine had hypnotic power; others believed that aquamarine in one’s mouth could have the power to suppress evil.

After the poor quality aquamarine crystal is heat-treated at about 400°C, the color can be permanently changed to the sapphire blue of aquamarine, but excessively high processing temperature will make it lose its color. The application of radioactive irradiation can change the color of aquamarine to a favorite color, but the color after the change cannot be permanently maintained.

Inside the crystals of aquamarine, there are often dense tubular inclusions, so after cutting it into a body stone, there will be a cat-eye effect and a radiant starlight effect. This gem is semi-transparent light blue.

When using Charles filter to observe aquamarine, you will see that it shows green identification characteristics, even if it is colorless aquamarine, it also appears clear green. The dark blue aquamarine is more visible under the color filter. Other blue gems, such as sapphire, blue spinel, blue topaz, и т.н., do not appear green under the Charles filter.

Aquamarine is a new species that emerged in the 1960s, but it is far less precious than emeralds. So far, gem-grade giant aquamarine is a giant crystal discovered in Marambaya, Brazil in 1910. Тежи 110.5 kg and has a diameter of 42 cm. По -късно, the crystal was divided and cut into many different sizes and shapes of jewelry, with a total weight of 10,000 Карати.

 

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